CVE-2022-21799 : Exploit Details and Defense Strategies
Learn about CVE-2022-21799, a cross-site scripting vulnerability in ELECOM LAN router WRC-300FEBK-R firmware v1.13 and earlier. Understand the impact, technical details, and mitigation steps.
A cross-site scripting vulnerability in the ELECOM LAN router WRC-300FEBK-R firmware v1.13 and earlier has been identified, allowing attackers on the adjacent network to inject arbitrary scripts. Here is a detailed overview of CVE-2022-21799.
Understanding CVE-2022-21799
This section provides insights into the nature and impact of the cross-site scripting vulnerability in the ELECOM LAN router.
What is CVE-2022-21799?
CVE-2022-21799 is a cross-site scripting vulnerability present in the ELECOM LAN router WRC-300FEBK-R firmware v1.13 and earlier. It enables attackers on the adjacent network to inject malicious scripts through unspecified vectors.
The Impact of CVE-2022-21799
The impact of this vulnerability is significant as it allows threat actors to execute arbitrary scripts, potentially leading to unauthorized access, data theft, and other malicious activities.
Technical Details of CVE-2022-21799
In this section, we delve into the technical aspects of the vulnerability, including its description, affected systems, and the exploitation mechanism.
Vulnerability Description
The vulnerability arises due to inadequate input validation in the ELECOM LAN router WRC-300FEBK-R firmware v1.13 and earlier, paving the way for cross-site scripting attacks.
Affected Systems and Versions
The issue impacts the ELECOM LAN router running firmware version 1.13 and earlier. Users of these versions are at risk of exploitation.
Exploitation Mechanism
Attackers located on the same network as the vulnerable ELECOM LAN router can inject and execute malicious scripts via unspecified methods.
Mitigation and Prevention
It is crucial for users to take immediate steps to mitigate the risks posed by CVE-2022-21799 and prevent potential exploitation.
Immediate Steps to Take
Users are advised to update their ELECOM LAN router firmware to a secure version, implement network security best practices, and monitor for any signs of suspicious activity.
Long-Term Security Practices
In the long term, organizations should foster a security-first culture, conduct regular security assessments, and stay abreast of vulnerabilities that may impact their networks.
Patching and Updates
Regularly check for firmware updates and security advisories from ELECOM CO.,LTD., and apply patches promptly to address known vulnerabilities.